Neutrode stack



FIG. 1 is a front end perspective view of an embodiment of the neutrode stack;

FIG. 2 is a rear end perspective view of the embodiment shown in FIG. 1;

FIG. 3 is a front end of the embodiment shown in FIG. 1;

FIG. 4 is a side view of the embodiment shown in FIG. 1; and,

FIG. 5 is a back view of the embodiment shown in FIG. 1.

The subject matter shown in dashed tines, and any surfaces of the design not shown, including interior surfaces, form no part of the claimed invention. 

CLAIM I claim the ornamental design for a neutrode stack, as shown and described. 